Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		Three Months Ended September 30,		Nine Months Ended September 30,
Vendor	Supplies	2014	2013	2014	2013
A	Substrates	33%	19%	24%	18%
B	Substrates	6%	17%	9%	14%
C	Catalysts	6%	16%	11%	15%
D	Rare Earth Materials	8%	12%	8%	12%

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

Warrant liability	Level 1	Level 2	Level 3
September 30, 2014	-	-	$	910
December 31, 2013	-	-	$	939

Schedule of Reconciliation of Warrants Liability [Table Text Block]

	Nine Months Ended September 30,
	2014		2013
Balance at beginning of period	$	939	$	10
Issuance of common stock warrants		1,531		749
Exercise of common stock warrants		(2,505)		-
Remeasurement of common stock warrants		945		151
Balance at end of period	$	910	$	910